Seobok

Gong Yoo

As Ki-heon

Park Bo-gum

As Seo Bok

Jo Woo-jin

As Chief Ahn

Jang Young-nam

As Dr. Im Se-eun

Park Byung-eun

As Shin Hak-sun

Yeon Je-wook

As Section Chief Heo

Kim Hong-pa

As Bureau Director Bae Guk-jang

Lee Eon-jeong

As Yoon Hyun-Soo

Na Kwang-hoon

As Kim Walker

Kim Jae-geon

As Chairman Kim Chun-oh

Andreas Fronk

As John Kane

Paul Battle

As Carl Anderson

Andrea Paciotto

As Roberts

Yoon Sang-hoon

As Dr. Song

Han Ji-hyeon

As Yong Ju

Maurice Turner Jr.

As Foreign Mercenary

Baek Do-kyeom

As Agent

Yun Ki-chang

As Agent

Lee Yo-sung

As Chasing Police Officer

Jo Yeon-ho

As Young Min Gi-heon

Jo Jin-kyul

As NIS Agent

Ahn So-ye

As Crosswalk Kid

Kim Kyu-do

As Seoin Researcher

Ki Hwan

As Intelligence Bureau Team Leader

Joey Albright

As Mercenary

Jung Mi-nam

As Mercenary

Sung Il

As Mercenary

Cha Ji-won

As Researcher

Park Sang-hoon

As Intelligence Bureau Agent

Lee Sang-kyung

As Intelligence Bureau Agent

Joung Young-sub

As Intelligence Bureau Agent

Yun Hui-cheol

As Health Drink Store Owner

Yang Hee-woo

As Gas Station Employee

Kim Sang-dong

As Market Vendor

Lim Jae-min

As Extraction Room Researcher

Kim Kye-hyung

As SWAT Member

Kim Yong-jun

As Man in Rear Car Dispute

Jin Si-won

As Seoin Security Agent

Chae Yeon-jung

As Ki-heon's Mother

Park Jung-sook

As Merchnt

Kim Sun-hyuk

As Special task force